1．Your parents are always there by you, _____you need them.
A. whenever B. however C. whatever D. whoever
【答案】A
【解析】考查让步状语从句。Whenever无论什么时候；however无论如何；whatever无论什么；whoever无论谁。句意：你的父母总是在你身边，无论什么时候你需要他们。故选A。
2．_____ I make a promise to help others, I will manage to complete it.
A. Although B. Once C. Unless D. Before
【答案】B
【解析】考查从属连词辨析。句意：一旦我承诺帮助他人，我会设法成功地完成承诺。although虽然；once一旦；unless除非，如果不；before在……之前。故选B。
